Radiation resistant austenitic stainless steel alloys

Patent · Tue Apr 04 04:00:00 EDT 1989

OSTI ID:7268841

Maziasz, P J; Braski, D N; Rowcliffe, A F

An austenitic stainless steel alloy is disclosed, with improved resistance to radiation-induced swelling and helium embrittlement, and improved resistance to thermal creep at high temperatures, consisting essentially of, by weight percent: from 16 to 18% nickel; from 13 to 17% chromium; from 2 to 3% molybdenum; from 1.5 to 2.5% manganese; from 0.01 to 0.5% silicon; from 0.2 to 0.4% titanium; from 0.1 to 0.2% niobium; from 0.1 to 0.6% vanadium; from 0.06 to 0.12% carbon; from 0.01% to 0.03% nitrogen; from 0.03 to 0.08% phosphorus; from 0.005 to 0.01% boron; and the balance iron, and wherein the alloy may be thermomechanically treated to enhance physical and mechanical properties. 6 figs.

• Assignee: Dept. of Energy, Washington, DC (United States)
• Patent Number(s): A; US 4818485
• Application Number: PPN: US 7-013471
• OSTI ID: 7268841
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360106 -- Metals & Alloys-- Radiation Effects
ALLOYS
CHEMICAL COMPOSITION
CHROMIUM ALLOYS
CHROMIUM-NICKEL STEELS
CHROMIUM-NICKEL-MOLYBDENUM STEELS
FABRICATION
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HEAT TREATMENTS
HIGH ALLOY STEELS
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS
MATERIALS WORKING
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL STEELS
NICKEL-CHROMIUM STEELS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
STAINLESS STEELS
STEELS
THERMOMECHANICAL TREATMENTS